// pages/book-detail/book-detail.js
import {
  BookModel,
} from '../../models/book'
import {
  LikeModel
} from '../../models/like'
const bookModel = new BookModel()
const likeModel = new LikeModel()
Page({
  /**
   * 页面的初始数据
   */
  data: {
    comments: [],
    book: null,
    likeStatus: false,
    likeCount: 0,
    posting: false
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.showLoading({
      title: '加载中',
    })
    const bid = options.bid
    const detail = bookModel.getDetail(bid)
    const comments = bookModel.getComments(bid)
    const likeStatus = bookModel.getLikeStatus(bid)

    Promise.all([detail,comments,likeStatus]).then(res=>{
      this.setData({
        book:res[0],  
        comments:res[1].comments,
        likeStatus:res[2].like_status,
        likeCount: res[2].fav_nums
      })
      wx.hideLoading({
        success: (res) => {},
      })
    })
    // detail.then(res => {
    //   this.setData({
    //     book: res
    //   })
    //   console.log(res);
    // })
    // comments.then(res => {
    //   this.setData({
    //     comments: res.comments
    //   })
    //   console.log(res);
    // })
    // likeStatus.then(res => {
    //   this.setData({
    //     likeStatus: res.like_status,
    //     likeCount: res.fav_nums
    //   })
    //   console.log(res);
    // })
  },
  onLike(event) {
    const like_or_cancel = event.detail.behavior
    likeModel.like(like_or_cancel, this.data.book.id, 400)
  },
  onFakePost(event) {
    this.setData({
      posting: true
    })
  },
  onCancel(event) {
    this.setData({
      posting: false
    })
  },
  onPost(event){
    const comment = event.detail.text || event.detail.value
    if(!comment){
      return
    }
    if(comment.length>12){
      wx.showToast({
        title: '短评最多12个字',
        icon:"none"
      })
      return
    }
    bookModel.postComment(this.data.book.id,comment)
    .then(res=>{
      wx.showToast({
        title: '短评+1',
        icon:'none'
      })
      this.data.comments.unshift({
        content:comment,
        nums:1
      })
      this.setData({
        comments:this.data.comments,
        posting:false
      })
    })
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})